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New RSV Vaccine for Pregnancy

Following last year’s introduction of new Respiratory Syncytial Virus (RSV) vaccines for older adults and young children, the Australian Government last month introduced a new, free RSV immunisation program for pregnant women.

RSV is a serious disease for newborn babies and infants. Vaccination during pregnancy allows pregnant women to pass antibodies to their baby through the placenta to better protect this high risk group.

In this month’s blog, we take a closer look at the new maternal RSV program and other recommended vaccines for pregnant women.

What is RSV?

Respiratory Syncytial Virus (RSV) is a common virus that infects the airways and lungs and commonly causes coughs and colds during winter.

The virus is highly contagious and can spread easily through respiratory droplets released into the air by an infected person coughing, sneezing or talking, or through people touching contaminated surfaces and transferring the virus to their eyes, nose or mouth. It can also spread through hand-to-hand contact with an infected person.

RSV can lead to life-threatening complications, such as bronchiolitis and pneumonia.

Those most at risk of serious complications include:

  • Infants aged 12 months and under – especially those aged 6 months and under.
  • Children aged 2 years and under with medical conditions, such as chronic lung disease or congenital heart disease.
  • Children aged 2 years and under who were born pre-term or with a low birth weight.

Maternal RSV vaccination program

Up until 2024, there were no vaccines available in Australia to help prevent RSV. In 2024, the Therapeutic Goods Administration (TGA) approved a number of vaccines for those most at risk, including a vaccine for adults aged 60 years and over, and one for babies and infants.

Following last year’s successful introduction of the infant vaccine, Nirsevimab (or Beyfortus), the Australian Government recently announced the introduction of the maternal RSV vaccine – Abrysvo®.

This new vaccine has been made available for free under the National Immunisation Program (NIP) for women who are between 28 to 36 weeks of pregnancy, to help protect their newborn baby from RSV.

How does the maternal RSV vaccine work?

When a pregnant woman receives the maternal RSV vaccine, their immune system produces antibodies against the disease in the first couple of weeks after vaccination. These antibodies are transferred through the placenta to the baby’s bloodstream. The antibodies help protect the infant against RSV from birth.

The process of providing antibodies from mother to baby is a form of passive immunisation and provides protection to the infant for up to 6 months from birth.

The Abrysvo vaccine cannot cause RSV and most side effects experienced are mild. As noted by the WA Government Department of Health, research has shown no difference in the rates of serious adverse events in pregnant women or infants born to pregnant women who receive Abrysvo compared to those who received a placebo.

This vaccine has already been approved for use in the United States of America and research published in the New England Journal of Medicine shows that, when given to pregnant women, the vaccine was 81.8% effective in preventing severe disease within 90 days of birth and 69.4% effective in preventing severe disease within 180 days of birth.

More information on the maternal RSV vaccination program is available here>>

What other vaccines are recommended during pregnancy?

Other vaccines recommended during pregnancy include ones for influenza and whooping cough – diseases that cause serious harm to pregnant women and their unborn babies. Both of these vaccines are available free to pregnant women through the NIP.

The influenza vaccine is available at any stage of pregnancy. As babies under 6 months are too young to have the vaccine themselves, the best way to protect newborns from influenza is for mothers to have the vaccine during pregnancy.

Similarly, babies do not receive their first whooping cough vaccination until they are six weeks of age. Therefore, the best protection for newborns is for mothers to be vaccinated prior to delivery.

The whooping cough vaccine is recommended for every pregnancy between 20 and 32 weeks, and can be given up to the time of delivery.

This brochure from the Australian Government Department of Health and Aged Care provides further information on recommended vaccines during pregnancy>>

Are vaccines safe?

Yes. Vaccines given in Australia are perfectly safe and you cannot get the virus from having the relevant vaccine.

Like any vaccine, it is possible that some people may experience a reaction; however, the risk of the vaccines causing serious harm is very low. Some people may experience mild side effects, including reactions at the injection site (redness, swelling, and pain where the injection is given), fever and fatigue.

In Australia, all vaccines must pass strict safety testing before being approved for use by the TGA. We also have a national program – AusVaxSafety – that monitors the type and rate of reactions to all vaccines on the National Immunisation Program.

At Illawarra Medical Centre, we utilise the SmartVax system as an additional vaccine safety measure for our patients. SmartVax uses SMS and smartphone technology to actively monitor vaccine safety in real time and feeds that information into the AusVaxSafety program.

Vaccinations at IMC

All recommended maternal vaccines are available at Illawarra Medical Centre. To book in for your vaccine or discuss and questions or concerns you may have, book an appointment with one of our GPs. Bookings can be made online or by contacting us on (08) 9208 6400.

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